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X-OriginatorOrg: micron.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Nov 2023 15:26:33.8158 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9f84d4c9-40ac-4a70-25e6-08dbe2016c13 X-MS-Exchange-CrossTenant-Id: f38a5ecd-2813-4862-b11b-ac1d563c806f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f38a5ecd-2813-4862-b11b-ac1d563c806f;Ip=[137.201.242.130];Helo=[mail.micron.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099E0.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR08MB7132 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >Gregory Price wrote:=0D =0D >Implements interleave weighting for bandwidth optimization.=0D >=0D >The mempolicy MPOL_INTERLEAVE utilizes the node weights to implement=0D >weighted interleave.=0D >=0D >There are 3 integration points:=0D >=0D >interleave_nodes:=0D > Counts the number of allocations as they occur, and applies the=0D > weight for the current node. When the weight reaches 0, switch=0D > to the next node.=0D >=0D >offset_il_node:=0D > Gets the total weight of the nodemask as well as each individual=0D > node weight, then calculates the node based on the given index n.=0D >=0D >bulk_array_interleave:=0D > Gets the total weight of the nodemask as well as each individual=0D > node weight, then calculates the number of "interleave rounds" as=0D > well as any delta ("partial round"). Calculates the number of=0D > pages for each node and allocates them.=0D >=0D > If a node was scheduled for interleave via interleave_nodes, the=0D > current weight (pol->cur_weight) will be allocated first, before=0D > the remaining bulk calculation is done. This simplifies the=0D > calculation at the cost of an additional allocation call.=0D >=0D >The functions mempolicy_get_il_weight and mempolicy_get_il_weights=0D >were added so that should mempolicy be extended in the future to=0D >include local mempolicy weights, there is a clear integration point.=0D >=0D >Signed-off-by: Gregory Price =0D =0D Thank you for the collaboration.=0D Please add the following signatures to this commit.=0D Co-authored-by: Srinivasulu Thanneeru =0D Co-authored-by: Ravi Jonnalagadda =0D Signed-off-by: Srinivasulu Thanneeru =0D Signed-off-by: Ravi Jonnalagadda =0D =0D --=0D Best Regards,=0D Ravi Jonnalagadda=